Complete the identity.sin x (sin 2x + sin 4x) = ?
A. cos x (cos 2x + cos 4x)
B. cos x (cos 2x - cos 4x)
C. 
cos x (cos 2x + cos 4x)
D. 
cos x (cos 2x - cos 4x)
Answer: B
Mathematics
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Find the Cartesian coordinates of the given point.(-4, -?/3)
A. (-2
, -2)
B. (-2
, 2)
C. (-2, 2
)
D. (2, 2
)
Mathematics
Solve the problem.Find the center of mass of the rectangular solid of density 
defined by 
, 
, 
.
A. 
= 
, 
= 
, 
= 2
B. 
= 
, 
= 3, 
= 
C. 
= 
, 
= 6, 
= 
D. 
= 
, 
= 
, 
= 1
Mathematics
Graph the linear equation.y + 5 = x
A. 
B. 
C. 
D. 
Mathematics
Determine algebraically whether the function is even, odd, or neither.
A. even B. odd C. neither
Mathematics